The Kepler-317 System
Kepler-317 is a planetary system in the constellation Cygnus hosting 2 confirmed exoplanets, about 3,068 light-years from Earth.
Size Comparison: The Planets of Kepler-317
Kepler-317: Star and Habitable Zone
Kepler-317
- Surface temperature
- 5,497 K (Sun: 5,772 K)
- Radius
- 0.94 R☉
Habitable zone of Kepler-317: 0.650–1.543 AU (conservative: 0.823–1.463 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the Kepler-317 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-317 b | Mini Neptune | 5.5 d | 2.09 R⊕ | 0.26 | 2014 |
| Kepler-317 c | Super Earth | 8.8 d | 1.72 R⊕ | 0.28 | 2014 |
Discovery History
The first planet found here, Kepler-317 b, was discovered in 2014 using the transit method.
- 2014 — Kepler-317 b (Transit)
- 2014 — Kepler-317 c (Transit)
Frequently Asked Questions About Kepler-317
How many planets does Kepler-317 have?
Kepler-317 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-317 system habitable?
None of the known planets in Kepler-317 orbit within the star's habitable zone.
How far away is Kepler-317?
Kepler-317 is about 3,068 light-years from Earth in the constellation Cygnus.
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